SHIFT — Tempo & Key Changer

SHIFT changes the tempo, speed, pitch and key of any song, live, right on your iPhone. Open a track, move it to the BPM or key you need, compare it with the original, and export the result. TEMPO • Set the exact BPM: type it, tap it, or nudge by 0.1 or 1 BPM • Keep key on to change the tempo without touching the pitch • Half and double time, from ½× to 2× the original • See the new length before you export PITCH AND KEY • Shift by semitones and fine-tune by cents • Tap a target key and SHIFT works out the move. Minor stays minor • Preserve formants to keep vocals natural, or shift formants on purpose • Correct a track recorded slightly sharp or flat to A440 SPEED • Turn Keep key off for varispeed: tempo and pitch move together, the way slowed and sped-up edits sound ADVANCED XY • Drag one pad to move tempo and pitch at once • Lock either axis, snap pitch to semitones, and pick Fine,…